205200905 is an odd 9-digits composite number following 205200904
and preceding 205200906 . In scientific notation, it is written as 2.05200905 × 10^8.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 129885120 positive integers (up to 205200905) that are relatively prime to 205200905.
205200905 has 8 divisors, whose sum is 227299968
The reverse of 205200905 is 509002502
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
two hundred five million two hundred thousand nine hundred five
Scientific notation
2.05200905 × 10^8
Engineering notation
2.05200905 × 10^6
Prime Factorization
35 × 13 × 450991
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205200905
Product of the distinct prime numbers
The prime factorization of 205200905 is 35 × 13 × 450991.
Since it has a total of 3 prime factors.
3 , 1 , 83 , 38 , 626 , 781 , 3687 , 970 , 43935 , 59337 , 998808 , 339284 , 8971230 , 509791 , 94346005 , 37990380 , 373855333 , 590192667 , 1701855766 , 2238046066
n×2
410401810
n×3
615602715
n×4
820803620
n×5
1026004525
n÷2
102600452.5
n÷3
68400301.666667
n÷3
51300226.25
n÷5
41040181
n2
42107411412819025
n3
8.6404789291178E+24
n4
1.7730340958884E+33
n5
3.6382820107216E+41
2 √n
14324.835252107
3 √n
589.82941060677
4 √n
119.68640378968
5 √n
45.965909150762
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205200904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205200905 can be divided by 8 positive divisors.
The sum of these divisors (counting 205200905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110110001111000001001
3
Ternary
112022010021201112
4
Quaternary
30032301320021
5
Quinary
410012412110
6
Senary
32210100105
8
Octal
1416617011
10
Decimal
205200905
12
Duodecimal
5887a635
16
Hexadecimal
c3b1e09
20
Vigesimal
342a255
36
Base36
3e6615
md5
71f18951d46bebf07948537190e0b250
sha1
e682b3f53f9236369d3c4e2914d1bc561f8a62d5
sha256
5f400a0dbf8435af3b53e31885d6802504c47e1f554565f876ff62604508abfa
sha512
93f11c110a72ada75fb79a9c9c71b1bbb56679e13315931706868dc018db06cfd652b472c1a674f36f5d67072d6f363ab8bb9b14c65e43226a10a4dde0767c02
ripemd-160
396c2d90d7890ee28a2a522ffd0ddbf218566b6f
Diameter
410401810
Circumference
1289315311.316
Area
1.322843343562E+17
Volume
3.6193153502952E+25
Surface area
5.2913733742478E+17
Circumference
1289315311.316
Perimeter
820803620
Area
42107411412819025
Diagonal
290197902.86223
Surface area
252644468476914150
Volume
8.6404789291178E+24
Space diagonal
355418393.21911
Perimeter
615602715
Area
1.8233043985552E+16
Altitude
177709196.60956
Surface area
1.8233043985552E+16
Volume
1.0182902072464E+24
Height
96732634.287411